.fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, #4b6cb7 0%, #182848 100%);
    color: white;
    padding: 15px 0;
    text-align: center;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    font-size: 1.5rem;
    font-weight: bold;
}

.fixed-header a {
    color: white;
    text-decoration: none;
}

/* Styles généraux */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
    padding: 80px 20px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* En-tête de page */
.page-header {
    text-align: center;
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 2.8rem;
    color: #4b6cb7;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

/* Grille d'articles */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.article-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.article-image {
    height: 200px;
    background: linear-gradient(135deg, #4b6cb7 0%, #182848 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.article-content {
    padding: 25px;
}

.article-date {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: block;
}

.article-title {
    font-size: 1.4rem;
    color: #182848;
    margin-bottom: 15px;
    line-height: 1.3;
}

.article-excerpt {
    color: #555;
    margin-bottom: 20px;
    line-height: 1.5;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.article-tag {
    background-color: #eef4ff;
    color: #4b6cb7;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.read-more {
    display: inline-block;
    color: #4b6cb7;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s;
}

.read-more:hover {
    color: #182848;
    text-decoration: underline;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    gap: 10px;
}

.pagination-button {
    background-color: white;
    border: 2px solid #4b6cb7;
    color: #4b6cb7;
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pagination-button:hover {
    background-color: #4b6cb7;
    color: white;
}

.pagination-button.active {
    background-color: #4b6cb7;
    color: white;
}

.pagination-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-button:disabled:hover {
    background-color: white;
    color: #4b6cb7;
}

/* Indicateur de page */
.page-indicator {
    text-align: center;
    margin-top: 15px;
    color: #666;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .fixed-header {
        font-size: 1.2rem;
        padding: 12px 0;
    }

    body {
        padding-top: 60px;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .pagination {
        flex-wrap: wrap;
    }
}